CN105924951B - A kind of filter press plate and its manufacturing method of nylon plate and frame filter press - Google Patents
A kind of filter press plate and its manufacturing method of nylon plate and frame filter press Download PDFInfo
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- CN105924951B CN105924951B CN201610316387.0A CN201610316387A CN105924951B CN 105924951 B CN105924951 B CN 105924951B CN 201610316387 A CN201610316387 A CN 201610316387A CN 105924951 B CN105924951 B CN 105924951B
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- filter press
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- press plate
- nylon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Filtering Materials (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of filter press plates and its manufacturing method of nylon plate and frame filter press, by following components die cast：Nylon resin, maleic anhydride grafting polymer polymer, inorganic mineral powder, glass fibre；Its manufacturing method includes the following steps：1）Feeding：Ratio takes each component to be uniformly mixed by weight, obtains mixture；2）Melting：Mixture is melted completely, obtains molten mixture；3）Die cast：Mixture after melting is imported to the die casting of filter press plate, the mixture temperature melted in die casting is brought down below 30 degree of fusing point then to keep the temperature, and its curing molding allowed to the mixture persistent pressure 5min that keeps the temperature after cooling down in die casting, moulding pressure is 1.24 kilotons, that is, is prepared into filter press plate.The present invention solves the problems, such as current filter press plate non-refractory high pressure well, has good prospects for commercial application.
Description
Technical field
The present invention relates to a kind of filter press plate of nylon plate and frame filter press, especially a kind of filter press plate of nylon plate and frame filter press
And its manufacturing method.
Background technology
Plate and frame filter press is widely used in liquid/solid separation, and the case where some more difficult separation is generally required to apply
Bigger pressure.And the filter press plate of current plate and frame filter press is generally molded with PP or PE, what such filter press plate can bear
Pressure brings inconvenience once more than directly being broken once the pressure filter press plate to separation no more than 0.8MPa, and solid in filtering
There are the solidliquid mixtures of high temperature during liquid detaches, and the temperature that can bear with PP or PE moldings is no more than 110 degree, PP
Or PE materials are heated repeatedly using being repeatedly easily deformed or even rupturing, service life is short.
Invention content
In order to solve deficiency in the prior art, the purpose of the present invention is to provide a kind of high-temperature and high-presure resistent nylon sheets of energy
The filter press plate and its manufacturing method of frame filter press.
To achieve the above object, the present invention uses following technical scheme：
A kind of filter press plate of nylon plate and frame filter press, it includes following components die cast, and the weight part ratio of each component
Under such as：
A kind of filter press plate of nylon plate and frame filter press, it includes following components die cast, and the weight part ratio of each component
Under such as：
It further includes reinforcing bar or metal mesh, and each component hot melt wraps up reinforcing bar or metal mesh.
The nylon resin is at least one of PA6, PA66.
The maleic anhydride grafting polymer polymer is that maleic anhydride is grafted POE, maleic anhydride graft PP, maleic anhydride
At least one of grafted polyethylene PE.
The inorganic mineral powder is at least one of talcum powder, mica powder, calcium bicarbonate.
A kind of manufacturing method of the filter press plate of nylon plate and frame filter press comprising following steps：
1) feeding：Ratio takes each component to be uniformly mixed by weight, obtains mixture；
2) it melts：Mixture is melted completely, obtains molten mixture；
3) die cast：The die casting that mixture after melting is imported to filter press plate, it is mixed by what is melted in die casting
It closes object temperature and is brought down below the then heat preservation of fusing point 20-30 degree, and the mixture persistent pressure to being kept the temperature after cooling down in die casting
5-8min allows its curing molding, moulding pressure to be -1.24 kiloton of 1 kiloton, that is, is prepared into filter press plate.
A kind of manufacturing method of the filter press plate of nylon plate and frame filter press comprising following steps：
1) feeding：Ratio takes each component to be uniformly mixed by weight, obtains mixture；
2) it melts：Mixture is melted completely, obtains molten mixture；
3) reinforcing rib is built：Reinforcing bar or metal mesh are arranged in the die casting of filter press plate, the reinforcing bar or metal mesh are small
In filter press plate；
4) die cast：The die casting that mixture after melting is imported to filter press plate, it is mixed by what is melted in die casting
It closes object temperature and is brought down below the then heat preservation of fusing point 20-30 degree, and the mixture persistent pressure to being kept the temperature after cooling down in die casting
5-8min allows its curing molding, moulding pressure to be -1.24 kiloton of 1 kiloton, that is, is prepared into filter press plate.
A kind of manufacturing method of the filter press plate of nylon plate and frame filter press after the step 1), is first made mixture hot melt
It is entered step 2) after grain.
A kind of manufacturing method of the filter press plate of nylon plate and frame filter press, the step 2) are completed by screw extruder.
The present invention uses above technical scheme, has following advantageous effect：
1) using nylon resin as the primary raw material of filter press plate, the high-temperature and high-presure resistent ability of filter press plate is improved；
2) inorganic mineral powder is added in nylon resin prevents filter press plate from deforming, and improves filter press plate stability；
3) addition glass fibre plays humidification, further increases the anti-pressure ability of filter press plate；
4) addition maleic anhydride grafting polymer polymer mainly plays a part of compatible and is coupled, and allows nylon resin, inorganic
Miberal powder and glass fibre preferably merge；
5) collaboration between nylon resin, inorganic mineral powder, glass fibre, maleic anhydride grafting polymer polymer is made
With the high-temperature and high-presure resistent ability for further increasing filter press plate；
6) it adds reinforcing bar or metal mesh further increases filter press plate intensity, resistance to deformation；
7) the manufacturing method of the present invention allows filter press plate to shape, be molded well, solves the problems, such as that nylon resin molding is difficult.
Therefore, the present invention solves the problems, such as current filter press plate non-refractory high pressure, yielding well, has fine
Prospects for commercial application.
Specific implementation mode
A kind of filter press plate of nylon plate and frame filter press, it includes following components die cast, and the weight part ratio of each component
Under such as：
A kind of filter press plate of nylon plate and frame filter press, it includes following components die cast, and the weight part ratio of each component
Under such as：
It further includes reinforcing bar or metal mesh, and each component hot melt wraps up reinforcing bar or metal mesh.
The nylon resin is at least one of PA6, PA66.
The maleic anhydride grafting polymer polymer is that maleic anhydride is grafted POE, maleic anhydride graft PP, maleic anhydride
At least one of grafted polyethylene PE.
The inorganic mineral powder is at least one of talcum powder, mica powder, calcium bicarbonate.
A kind of manufacturing method of the filter press plate of nylon plate and frame filter press comprising following steps：
1) feeding：Ratio takes each component to be uniformly mixed by weight, obtains mixture；
2) it melts：Mixture is melted completely, obtains molten mixture；
3) die cast：The die casting that mixture after melting is imported to filter press plate, it is mixed by what is melted in die casting
It closes object temperature and is brought down below the then heat preservation of fusing point 20-30 degree, and the mixture persistent pressure to being kept the temperature after cooling down in die casting
5-8min allows its curing molding, moulding pressure to be -1.24 kiloton of 1 kiloton, that is, is prepared into filter press plate.
A kind of manufacturing method of the filter press plate of nylon plate and frame filter press comprising following steps：
1) feeding：Ratio takes each component to be uniformly mixed by weight, obtains mixture；
2) it melts：Mixture is melted completely, obtains molten mixture；
3) reinforcing rib is built：Reinforcing bar or metal mesh are arranged in the die casting of filter press plate, the reinforcing bar or metal mesh are small
In filter press plate；4) die cast：The die casting that mixture after melting is imported to filter press plate, it is mixed by what is melted in die casting
It closes object temperature and is brought down below the then heat preservation of fusing point 20-30 degree, and the mixture persistent pressure to being kept the temperature after cooling down in die casting
5-8min allows its curing molding, moulding pressure to be -1.24 kiloton of 1 kiloton, that is, is prepared into filter press plate.
A kind of manufacturing method of the filter press plate of nylon plate and frame filter press after the step 1), is first made mixture hot melt
It is entered step 2) after grain.
A kind of manufacturing method of the filter press plate of nylon plate and frame filter press, the step 2) are completed by screw extruder.
Embodiment 1
A kind of filter press plate of nylon plate and frame filter press, it includes following components die cast, and the weight part ratio of each component
Under such as：
It further includes reinforcing bar, each component hot melt package reinforcing bar.
A kind of manufacturing method of the filter press plate of nylon plate and frame filter press comprising following steps：
1) feeding：Ratio takes each component to be uniformly mixed by weight, obtains mixture；
2) it melts：Mixture is melted completely, obtains molten mixture；
3) reinforcing rib is built：By steel-bar arrangement in the die casting of filter press plate, the reinforcing bar is less than filter press plate；
4) die cast：The die casting that mixture after melting is imported to filter press plate, it is mixed by what is melted in die casting
It closes object temperature and is brought down below the then heat preservation of 25 degree of fusing point, and the mixture persistent pressure 6min to being kept the temperature after cooling down in die casting
It allows its curing molding, moulding pressure to be 1.1 kilotons, that is, is prepared into filter press plate.
After the step 1), it will first be entered step 2) after mixture hot melt granulation.
The step 2) is completed by screw extruder.
Embodiment 2
A kind of filter press plate of nylon plate and frame filter press, it includes following components die cast, and the weight part ratio of each component
Under such as：
It further includes metal mesh, and each component heats coated metal net.
A kind of manufacturing method of the filter press plate of nylon plate and frame filter press comprising following steps：
1) feeding：Ratio takes each component to be uniformly mixed by weight, obtains mixture；
2) it melts：Mixture is melted completely, obtains molten mixture；
3) reinforcing rib is built：Metal mesh is arranged in the die casting of filter press plate, the metal mesh is less than filter press plate；
4) die cast：The die casting that mixture after melting is imported to filter press plate, it is mixed by what is melted in die casting
It closes object temperature and is brought down below the then heat preservation of 20 degree of fusing point, and the mixture persistent pressure 8min to being kept the temperature after cooling down in die casting
It allows its curing molding, moulding pressure to be 1 kiloton, that is, is prepared into filter press plate.
After the step 1), it will first be entered step 2) after mixture hot melt granulation.
The step 2) is completed by screw extruder.
Embodiment 3
A kind of filter press plate of nylon plate and frame filter press, it includes following components die cast, and the weight part ratio of each component
Under such as：
A kind of manufacturing method of the filter press plate of nylon plate and frame filter press comprising following steps：
1) feeding：Ratio takes each component to be uniformly mixed by weight, obtains mixture；
2) it melts：Mixture is melted completely, obtains molten mixture；
3) die cast：The die casting that mixture after melting is imported to filter press plate, it is mixed by what is melted in die casting
It closes object temperature and is brought down below the then heat preservation of 30 degree of fusing point, and the mixture persistent pressure 5min to being kept the temperature after cooling down in die casting
It allows its curing molding, moulding pressure to be 1.24 kilotons, that is, is prepared into filter press plate.
After the step 1), it will first be entered step 2) after mixture hot melt granulation.
The step 2) is completed by screw extruder.
The filter press plate of 1 each embodiment of table and the heatproof anti-pressure ability table of comparisons of common filter press plate
| It can compressive resistance/MPa | Be resistant to temperature/DEG C | |
| PP filter press plates | <0.8 | <110 |
| PE filter press plates | <0.8 | <110 |
| The filter press plate of embodiment 1 | ＞ 5 | ＞ 200 |
| The filter press plate of embodiment 2 | ＞ 4.5 | ＞ 200 |
| The filter press plate of embodiment 3 | ＞ 4.1 | ＞ 200 |
As it can be seen from table 1 the resistance to compression of the filter press plate of the present invention and heat safe ability are significantly larger than common PP and PE
Filter press plate；It is prepared into as raw material using PA6, maleic anhydride grafting POE, talcum powder, glass fibre and reinforcing bar wherein in embodiment 1
Filter press plate resistance to compression and heat-resisting ability it is best, anti-pressure ability is at least 6.25 times of common PP and PE filter press plates, high temperature resistant
Ability is 2 times or so of common PP and PE filter press plates.
Claims (10)
1. a kind of filter press plate of nylon plate and frame filter press, it is characterised in that：It includes following components die cast, and each component
Weight ratio is as follows：
50-70 parts of nylon resin；
3-6 parts of maleic anhydride grafting polymer polymer；
8-12 parts of inorganic mineral powder；
20-30 parts of glass fibre.
2. a kind of filter press plate of nylon plate and frame filter press according to claim 1, it is characterised in that：It includes following components
Die cast, and the weight ratio of each component is as follows：
60 parts of nylon resin；
4 parts of maleic anhydride grafting polymer polymer；
10 parts of inorganic mineral powder；
25 parts of glass fibre.
3. a kind of filter press plate of nylon plate and frame filter press according to claim 1 or 2, it is characterised in that：It further includes steel
Muscle or metal mesh, each component hot melt package reinforcing bar or metal mesh.
4. a kind of filter press plate of nylon plate and frame filter press according to claim 1 or 2, it is characterised in that：The nylon tree
Fat is at least one of PA6, PA66.
5. a kind of filter press plate of nylon plate and frame filter press according to claim 1 or 2, it is characterised in that：The maleic acid
Acid anhydride grafting polymer polymer is that maleic anhydride is grafted in POE, maleic anhydride graft PP, maleic anhydride grafted polyethylene PE extremely
Few one kind.
6. a kind of filter press plate of nylon plate and frame filter press according to claim 1 or 2, it is characterised in that：The inorganic mine
Powder is at least one of talcum powder, mica powder, calcium bicarbonate.
7. a kind of manufacturing method of the filter press plate of nylon plate and frame filter press according to claim 1 or 2, it is characterised in that：
It includes the following steps：
1）Feeding：Ratio takes each component to be uniformly mixed by weight, obtains mixture；
2）Melting：Mixture is melted completely, obtains molten mixture；
3）Die cast：Mixture after melting is imported to the die casting of filter press plate, the mixture that will be melted in die casting
Temperature is brought down below fusing point 20-30 degree and then keeps the temperature, and the mixture persistent pressure 5- to being kept the temperature after cooling down in die casting
8min allows its curing molding, moulding pressure to be -1.24 kiloton of 1 kiloton, that is, is prepared into filter press plate.
8. a kind of manufacturing method of the filter press plate of nylon plate and frame filter press according to claim 3, it is characterised in that：It is wrapped
Include following steps：
1）Feeding：Ratio takes each component to be uniformly mixed by weight, obtains mixture；
2）Melting：Mixture is melted completely, obtains molten mixture；
3）Build reinforcing rib：Reinforcing bar or metal mesh are arranged in the die casting of filter press plate, the reinforcing bar or metal mesh are less than pressure
Filter plate；
4）Die cast：Mixture after melting is imported to the die casting of filter press plate, the mixture that will be melted in die casting
Temperature is brought down below fusing point 20-30 degree and then keeps the temperature, and the mixture persistent pressure 5- to being kept the temperature after cooling down in die casting
8min allows its curing molding, moulding pressure to be -1.24 kiloton of 1 kiloton, that is, is prepared into filter press plate.
9. a kind of manufacturing method of the filter press plate of nylon plate and frame filter press according to claim 8, it is characterised in that：It is described
Step 1）Later, first 2 will be entered step after mixture hot melt granulation）.
10. a kind of manufacturing method of the filter press plate of nylon plate and frame filter press according to claim 8, it is characterised in that：Institute
State step 2）It is completed by screw extruder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610316387.0A CN105924951B (en) | 2016-05-12 | 2016-05-12 | A kind of filter press plate and its manufacturing method of nylon plate and frame filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610316387.0A CN105924951B (en) | 2016-05-12 | 2016-05-12 | A kind of filter press plate and its manufacturing method of nylon plate and frame filter press |
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| Publication Number | Publication Date |
|---|---|
| CN105924951A CN105924951A (en) | 2016-09-07 |
| CN105924951B true CN105924951B (en) | 2018-07-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109224630B (en) * | 2018-09-19 | 2021-03-23 | 中原工学院 | Hybrid fiber mesh fabric reinforced polypropylene composite filter plate and preparation method thereof |
| CN112745586B (en) * | 2020-12-25 | 2023-03-07 | 泉州市创绿机械工贸有限公司 | High-strength polypropylene composite material pressure filter plate and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816383A (en) * | 2012-08-07 | 2012-12-12 | 杭州绿鼎压滤机制造有限公司 | High temperature and pressure resistant filter plate of filter press |
| CN103100263A (en) * | 2012-12-19 | 2013-05-15 | 江苏苏东化工机械有限公司 | Preparation method of graphite modified reinforced polypropylene composite filter plate |
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|---|---|---|---|---|
| AU2003298864A1 (en) * | 2002-12-06 | 2004-06-30 | Kosan Biosciences, Inc. | Disorazole polyketide synthase encoding polynucleotides |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816383A (en) * | 2012-08-07 | 2012-12-12 | 杭州绿鼎压滤机制造有限公司 | High temperature and pressure resistant filter plate of filter press |
| CN103100263A (en) * | 2012-12-19 | 2013-05-15 | 江苏苏东化工机械有限公司 | Preparation method of graphite modified reinforced polypropylene composite filter plate |
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